From: hadaq Date: Wed, 28 Apr 2010 15:02:30 +0000 (+0000) Subject: *** empty log message *** X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=f7f357b6230b1b836993f43292596382b2ae2c71;p=daqdocu.git *** empty log message *** --- diff --git a/rich.tex b/rich.tex index 6815269..c918bc9 100755 --- a/rich.tex +++ b/rich.tex @@ -147,6 +147,10 @@ Each APV frontend card has its own pedestal memory, with 128 channels each. The pedestal value is stored in the lower 12bit. Single channels can be switched off by setting bit~16 to one. +\noindent Please note that pedestal values are given in raw ADC numbers (no +artificial baseline adding). Threshold values always refer to the artificial +baseline and are simply given in terms of $ n \cdot \sigma$. + \subsubsection{I2C master} For configuration and slow control of APV chips a complete I2C master is